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Seven new species of Neophylax McLachlan are described as follows: N. etnieri, N. auris, N. securis, and N. acutus from Tennessee; N. toshioi from Virginia; N. Ottawa from Ontario; and N. smithi from Washington. Genitalic characters of males and females are illustrated for the new species. A revised generic description incorporating characters of the additional species is presented. Total number of species in the genus is now 29, distributed in eastern Asia and Japan as well as North America. New taxa: Neophylax etnieri n. sp., Neophylax securis n. sp., Neophylax acutus n. sp., Neophylax toshioi n. sp., Neophylax ottawa n. sp., Neophylax smithi n. sp. 12 pp., 7 figs, br. gr. 8.…

A survey of characters within the Limnephilidae was made to test the cladistic hypothesis underlying traditional classification placing Neophylacinae as a subfamily of the Limnephilidae. Characters emerged which support an alternative hypothesis of phylogeny and classification, linking the Neophylacinae with the Thremmatidae and with the Uenoidae. The Uenoidae as defined here contain two monophyletic groups: subfamily Uenoinae containing the four genera Uenoa, Sericostriata, Neothremma and Farula previously constituting Uenoidae (sensu Wiggins et al., 1985), and subfamily Thremmatinae consisting of Thremma, Neophylax and Oligophlebodes. The new classification is shown to have predictive value for behaviour and ecology of the taxa. 12 pp., 8 figs, gr. 8.…